Remove FEC code from receive path.

net/quic/quic_received_packet_manager.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/quic/quic_received_packet_manager.h"
 
 #include <limits>
 #include <utility>
 
 #include "base/logging.h"
@@ skipping 166 matching lines @@
   entropy_tracker_.RecordPacketEntropyHash(packet_number, header.entropy_hash);
 
   ack_frame_.received_packet_times.push_back(
       std::make_pair(packet_number, receipt_time));
 
   if (ack_frame_.latest_revived_packet == packet_number) {
     ack_frame_.latest_revived_packet = 0;
   }
 }
 
-void QuicReceivedPacketManager::RecordPacketRevived(
-    QuicPacketNumber packet_number) {
-  QUIC_BUG_IF(!IsAwaitingPacket(packet_number)) << base::StringPrintf(
-      "Not waiting for %llu", static_cast<unsigned long long>(packet_number));
-  ack_frame_updated_ = true;
-  ack_frame_.latest_revived_packet = packet_number;
-}
-
 bool QuicReceivedPacketManager::IsMissing(QuicPacketNumber packet_number) {
   return ack_frame_.missing_packets.Contains(packet_number);
 }
 
 bool QuicReceivedPacketManager::IsAwaitingPacket(
     QuicPacketNumber packet_number) {
   return ::net::IsAwaitingPacket(ack_frame_, packet_number);
 }
 
 namespace {
@@ skipping 94 matching lines @@
 
 size_t QuicReceivedPacketManager::NumTrackedPackets() const {
   return entropy_tracker_.size();
 }
 
 bool QuicReceivedPacketManager::ack_frame_updated() const {
   return ack_frame_updated_;
 }
 
 }  // namespace net